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BlackJack 2.5 Adjustable Support Columns are designed and tested to meet or exceed the CAN/CGSB-7.2-94 Adjustable Steel Columns standard.

Serie: BJ25x90 and BJ25x110


  • Top plate (3-1/2″ x 6″) – 3/8″ thick
  • Bottom plate (4-1/2″ x 6″) – 3 gauge
  • Tube (2-1/2″ x 2-1/2″) – 11 gauge


  • Top and bottom plate – Grey Primer Paint
  • Tube – Power Coated Black Paint


  • Ensure column is installed in a vertical and plumb position.
  • Column base shall be aligned and secured to a proper supporting slab.
  • Top plate shall cover the full width of the supported beam. Beam shall be centered on the top plate and continuous across the entire length of the plate.
  • For multiple ply beams, ensure to laminate plies together to act as a single member.
  • Square tube may be cut down, ensure cut is smooth, square and level.
  • Rotate jack screw to desired height.
  • Secure the top plate to wood beam with two (2) 1/4″ x 2″ lag screws.

Load Table:

BJ25 Load Table Download